Treasure is a county in Montana. It was formed in 1919 from the following county/ies: Rosebud. Treasure began keeping birth records in 1919, marriage records in 1919, and death records in 1919. It began keeping land records in 1919, probate records in 1919, and court records in 1919. For more information, contact the county at 307 Rapelje/P.O. Box 392, Hysham 59038-0392. On the attached map, Treasure is located at H5.